YO

Yoshiyuki Oothuka

SI Sanyo Chemical Industries: 1 patents #242 of 607Top 40%
SC Shimizu Construction Co.: 1 patents #112 of 352Top 35%
Overall (All Time): #3,844,169 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5089538 Composition suited for addition to ground excavation stabilizing liquid, stabilizing liquid composition, and ground excavation method Yoshio Iizuka, Satoshi Tanaka, Manabu Yamamoto 1992-02-18